CA1303008C - Absorbent resin with excellent stability - Google Patents

Absorbent resin with excellent stability

Info

Publication number: CA1303008C
Authority: CA; Canada
Prior art keywords: composition; acid; absorbent resin; salt; radical chain
Prior art date: 1986-08-22
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired - Fee Related

Application number

CA000544656A

Other languages

English (en)

French (fr)

Inventor

Takatoshi Kobayashi

Yasunori Hosokawa

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Kao Corp

Original Assignee

Kao Corp

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1986-08-22

Filing date

1987-08-17

Publication date

1992-06-09

1987-08-17 Application filed by Kao Corp filed Critical Kao Corp

1992-06-09 Application granted granted Critical

1992-06-09 Publication of CA1303008C publication Critical patent/CA1303008C/en

2009-06-09 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

229920005989 resin Polymers 0.000 title claims abstract description 61
239000011347 resin Substances 0.000 title claims abstract description 61
239000002250 absorbent Substances 0.000 title claims abstract description 49
230000002745 absorbent Effects 0.000 title claims abstract description 49
239000000203 mixture Substances 0.000 claims abstract description 12
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims description 20
LNTHITQWFMADLM-UHFFFAOYSA-N gallic acid Chemical compound OC(=O)C1=CC(O)=C(O)C(O)=C1 LNTHITQWFMADLM-UHFFFAOYSA-N 0.000 claims description 18
150000003839 salts Chemical class 0.000 claims description 12
-1 amine compounds Chemical class 0.000 claims description 11
235000004515 gallic acid Nutrition 0.000 claims description 11
229940074391 gallic acid Drugs 0.000 claims description 11
XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 10
ZTHYODDOHIVTJV-UHFFFAOYSA-N Propyl gallate Chemical compound CCCOC(=O)C1=CC(O)=C(O)C(O)=C1 ZTHYODDOHIVTJV-UHFFFAOYSA-N 0.000 claims description 8
229920001577 copolymer Polymers 0.000 claims description 8
WQGWDDDVZFFDIG-UHFFFAOYSA-N pyrogallol Chemical compound OC1=CC=CC(O)=C1O WQGWDDDVZFFDIG-UHFFFAOYSA-N 0.000 claims description 8
238000004132 cross linking Methods 0.000 claims description 7
229930003935 flavonoid Natural products 0.000 claims description 7
235000017173 flavonoids Nutrition 0.000 claims description 7
REFJWTPEDVJJIY-UHFFFAOYSA-N Quercetin Chemical compound C=1C(O)=CC(O)=C(C(C=2O)=O)C=1OC=2C1=CC=C(O)C(O)=C1 REFJWTPEDVJJIY-UHFFFAOYSA-N 0.000 claims description 6
VFPFQHQNJCMNBZ-UHFFFAOYSA-N ethyl gallate Chemical compound CCOC(=O)C1=CC(O)=C(O)C(O)=C1 VFPFQHQNJCMNBZ-UHFFFAOYSA-N 0.000 claims description 6
FBSFWRHWHYMIOG-UHFFFAOYSA-N methyl 3,4,5-trihydroxybenzoate Chemical compound COC(=O)C1=CC(O)=C(O)C(O)=C1 FBSFWRHWHYMIOG-UHFFFAOYSA-N 0.000 claims description 6
NWVVVBRKAWDGAB-UHFFFAOYSA-N p-methoxyphenol Chemical compound COC1=CC=C(O)C=C1 NWVVVBRKAWDGAB-UHFFFAOYSA-N 0.000 claims description 6
CNHDIAIOKMXOLK-UHFFFAOYSA-N toluquinol Chemical compound CC1=CC(O)=CC=C1O CNHDIAIOKMXOLK-UHFFFAOYSA-N 0.000 claims description 6
TUSDEZXZIZRFGC-UHFFFAOYSA-N 1-O-galloyl-3,6-(R)-HHDP-beta-D-glucose Natural products OC1C(O2)COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC1C(O)C2OC(=O)C1=CC(O)=C(O)C(O)=C1 TUSDEZXZIZRFGC-UHFFFAOYSA-N 0.000 claims description 5
239000001263 FEMA 3042 Substances 0.000 claims description 5
229920001732 Lignosulfonate Polymers 0.000 claims description 5
LRBQNJMCXXYXIU-PPKXGCFTSA-N Penta-digallate-beta-D-glucose Natural products OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-PPKXGCFTSA-N 0.000 claims description 5
229920002125 Sokalan® Polymers 0.000 claims description 5
229920000578 graft copolymer Polymers 0.000 claims description 5
239000004584 polyacrylic acid Substances 0.000 claims description 5
LRBQNJMCXXYXIU-NRMVVENXSA-N tannic acid Chemical compound OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-NRMVVENXSA-N 0.000 claims description 5
235000015523 tannic acid Nutrition 0.000 claims description 5
229920002258 tannic acid Polymers 0.000 claims description 5
229940033123 tannic acid Drugs 0.000 claims description 5
QIGBRXMKCJKVMJ-UHFFFAOYSA-N 1,4-Benzenediol Natural products OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 claims description 4
229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 4
239000001768 carboxy methyl cellulose Substances 0.000 claims description 4
235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 4
239000008112 carboxymethyl-cellulose Substances 0.000 claims description 4
150000002215 flavonoids Chemical class 0.000 claims description 4
150000002989 phenols Chemical class 0.000 claims description 4
239000000473 propyl gallate Substances 0.000 claims description 4
235000010388 propyl gallate Nutrition 0.000 claims description 4
229940075579 propyl gallate Drugs 0.000 claims description 4
229940079877 pyrogallol Drugs 0.000 claims description 4
AZQWKYJCGOJGHM-UHFFFAOYSA-N 1,4-benzoquinone Chemical compound O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 claims description 3
AFSDNFLWKVMVRB-UHFFFAOYSA-N Ellagic acid Chemical compound OC1=C(O)C(OC2=O)=C3C4=C2C=C(O)C(O)=C4OC(=O)C3=C1 AFSDNFLWKVMVRB-UHFFFAOYSA-N 0.000 claims description 3
ATJXMQHAMYVHRX-CPCISQLKSA-N Ellagic acid Natural products OC1=C(O)[C@H]2OC(=O)c3cc(O)c(O)c4OC(=O)C(=C1)[C@H]2c34 ATJXMQHAMYVHRX-CPCISQLKSA-N 0.000 claims description 3
229920002079 Ellagic acid Polymers 0.000 claims description 3
239000004262 Ethyl gallate Substances 0.000 claims description 3
ZVOLCUVKHLEPEV-UHFFFAOYSA-N Quercetagetin Natural products C1=C(O)C(O)=CC=C1C1=C(O)C(=O)C2=C(O)C(O)=C(O)C=C2O1 ZVOLCUVKHLEPEV-UHFFFAOYSA-N 0.000 claims description 3
HWTZYBCRDDUBJY-UHFFFAOYSA-N Rhynchosin Natural products C1=C(O)C(O)=CC=C1C1=C(O)C(=O)C2=CC(O)=C(O)C=C2O1 HWTZYBCRDDUBJY-UHFFFAOYSA-N 0.000 claims description 3
BGNXCDMCOKJUMV-UHFFFAOYSA-N Tert-Butylhydroquinone Chemical compound CC(C)(C)C1=CC(O)=CC=C1O BGNXCDMCOKJUMV-UHFFFAOYSA-N 0.000 claims description 3
NJVHCUNZAMFQNA-UHFFFAOYSA-N azane;n-hydroxy-n-phenylnitrous amide Chemical compound N.O=NN(O)C1=CC=CC=C1 NJVHCUNZAMFQNA-UHFFFAOYSA-N 0.000 claims description 3
235000004132 ellagic acid Nutrition 0.000 claims description 3
229960002852 ellagic acid Drugs 0.000 claims description 3
235000019277 ethyl gallate Nutrition 0.000 claims description 3
MWDZOUNAPSSOEL-UHFFFAOYSA-N kaempferol Natural products OC1=C(C(=O)c2cc(O)cc(O)c2O1)c3ccc(O)cc3 MWDZOUNAPSSOEL-UHFFFAOYSA-N 0.000 claims description 3
229910052751 metal Inorganic materials 0.000 claims description 3
239000002184 metal Substances 0.000 claims description 3
IBKQQKPQRYUGBJ-UHFFFAOYSA-N methyl gallate Natural products CC(=O)C1=CC(O)=C(O)C(O)=C1 IBKQQKPQRYUGBJ-UHFFFAOYSA-N 0.000 claims description 3
FAARLWTXUUQFSN-UHFFFAOYSA-N methylellagic acid Natural products O1C(=O)C2=CC(O)=C(O)C3=C2C2=C1C(OC)=C(O)C=C2C(=O)O3 FAARLWTXUUQFSN-UHFFFAOYSA-N 0.000 claims description 3
229920002239 polyacrylonitrile Polymers 0.000 claims description 3
229960001285 quercetin Drugs 0.000 claims description 3
235000005875 quercetin Nutrition 0.000 claims description 3
239000011342 resin composition Substances 0.000 claims description 3
239000012986 chain transfer agent Substances 0.000 claims description 2
239000002738 chelating agent Substances 0.000 claims description 2
125000000687 hydroquinonyl group Chemical group C1(O)=C(C=C(O)C=C1)* 0.000 claims 2
239000004925 Acrylic resin Substances 0.000 claims 1
229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims 1
NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims 1
238000010521 absorption reaction Methods 0.000 description 12
230000015572 biosynthetic process Effects 0.000 description 12
238000003786 synthesis reaction Methods 0.000 description 12
230000008961 swelling Effects 0.000 description 6
229910052760 oxygen Inorganic materials 0.000 description 5
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
230000000052 comparative effect Effects 0.000 description 4
238000000034 method Methods 0.000 description 4
239000001301 oxygen Substances 0.000 description 4
239000002245 particle Substances 0.000 description 4
LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
239000007864 aqueous solution Substances 0.000 description 3
239000003795 chemical substances by application Substances 0.000 description 3
238000001035 drying Methods 0.000 description 3
230000000694 effects Effects 0.000 description 3
238000011156 evaluation Methods 0.000 description 3
239000007788 liquid Substances 0.000 description 3
239000000243 solution Substances 0.000 description 3
AOBIOSPNXBMOAT-UHFFFAOYSA-N 2-[2-(oxiran-2-ylmethoxy)ethoxymethyl]oxirane Chemical compound C1OC1COCCOCC1CO1 AOBIOSPNXBMOAT-UHFFFAOYSA-N 0.000 description 2
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 2
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
239000002253 acid Substances 0.000 description 2
230000032683 aging Effects 0.000 description 2
238000006243 chemical reaction Methods 0.000 description 2
229910001873 dinitrogen Inorganic materials 0.000 description 2
239000011521 glass Substances 0.000 description 2
150000002500 ions Chemical group 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
ZIUHHBKFKCYYJD-UHFFFAOYSA-N n,n'-methylenebisacrylamide Chemical compound C=CC(=O)NCNC(=O)C=C ZIUHHBKFKCYYJD-UHFFFAOYSA-N 0.000 description 2
238000006116 polymerization reaction Methods 0.000 description 2
235000002639 sodium chloride Nutrition 0.000 description 2
239000002904 solvent Substances 0.000 description 2
229920001864 tannin Polymers 0.000 description 2
235000018553 tannin Nutrition 0.000 description 2
239000001648 tannin Substances 0.000 description 2
PFTAWBLQPZVEMU-DZGCQCFKSA-N (+)-catechin Chemical compound C1([C@H]2OC3=CC(O)=CC(O)=C3C[C@@H]2O)=CC=C(O)C(O)=C1 PFTAWBLQPZVEMU-DZGCQCFKSA-N 0.000 description 1
DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 description 1
SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical class S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
239000001856 Ethyl cellulose Substances 0.000 description 1
ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 description 1
ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
229910000147 aluminium phosphate Inorganic materials 0.000 description 1
239000003963 antioxidant agent Substances 0.000 description 1
230000003078 antioxidant effect Effects 0.000 description 1
235000006708 antioxidants Nutrition 0.000 description 1
238000007664 blowing Methods 0.000 description 1
150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
239000000701 coagulant Substances 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
238000001816 cooling Methods 0.000 description 1
238000011161 development Methods 0.000 description 1
230000018109 developmental process Effects 0.000 description 1
229920001249 ethyl cellulose Polymers 0.000 description 1
235000019325 ethyl cellulose Nutrition 0.000 description 1
LHGVFZTZFXWLCP-UHFFFAOYSA-N guaiacol Chemical compound COC1=CC=CC=C1O LHGVFZTZFXWLCP-UHFFFAOYSA-N 0.000 description 1
239000004615 ingredient Substances 0.000 description 1
239000003112 inhibitor Substances 0.000 description 1
239000000463 material Substances 0.000 description 1
238000002156 mixing Methods 0.000 description 1
230000003647 oxidation Effects 0.000 description 1
238000007254 oxidation reaction Methods 0.000 description 1
239000002504 physiological saline solution Substances 0.000 description 1
229910052700 potassium Inorganic materials 0.000 description 1
239000011591 potassium Substances 0.000 description 1
239000002516 radical scavenger Substances 0.000 description 1
238000010992 reflux Methods 0.000 description 1
239000010802 sludge Substances 0.000 description 1
239000011780 sodium chloride Substances 0.000 description 1
238000003756 stirring Methods 0.000 description 1
238000012360 testing method Methods 0.000 description 1
210000002700 urine Anatomy 0.000 description 1
244000089265 zong er cha Species 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
- A61L15/60—Liquid-swellable gel-forming materials, e.g. super-absorbents
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59

Landscapes

Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Polymers & Plastics (AREA)
Medicinal Chemistry (AREA)
Materials Engineering (AREA)
Public Health (AREA)
Hematology (AREA)
Engineering & Computer Science (AREA)
Analytical Chemistry (AREA)
Epidemiology (AREA)
Life Sciences & Earth Sciences (AREA)
Animal Behavior & Ethology (AREA)
General Health & Medical Sciences (AREA)
Dispersion Chemistry (AREA)
Veterinary Medicine (AREA)
Compositions Of Macromolecular Compounds (AREA)
Macromonomer-Based Addition Polymer (AREA)
Graft Or Block Polymers (AREA)
Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Polymerisation Methods In General (AREA)

CA000544656A 1986-08-22 1987-08-17 Absorbent resin with excellent stability Expired - Fee Related CA1303008C (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP196874/86		1986-08-22
JP19687486		1986-08-22

Publications (1)

Publication Number	Publication Date
CA1303008C true CA1303008C (en)	1992-06-09

Family

ID=16365085

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000544656A Expired - Fee Related CA1303008C (en)	1986-08-22	1987-08-17	Absorbent resin with excellent stability

Country Status (7)

Country	Link
US (1)	US4812486A (de)
EP (1)	EP0259037A3 (de)
JP (1)	JPS63152667A (de)
KR (1)	KR920004808B1 (de)
CN (1)	CN1011039B (de)
CA (1)	CA1303008C (de)
MY (1)	MY101658A (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO1989007633A1 (en) *	1988-02-18	1989-08-24	John Kenneth Bethune	Absorbent polymer compositions
US5034156A (en) *	1988-04-18	1991-07-23	Mallinckrodt Specialty Chemicals Company	Method for inhibiting the polymerization of acrylic acid
RU2015141C1 (ru)	1988-12-08	1994-06-30	Ниппон Сокубаи Кагаку Когио Ко., Лтд.	Способ получения абсорбирующей смолы
US5049395A (en) *	1989-03-09	1991-09-17	Micro Vesicular Systems, Inc.	Controlled release vehicle
US5234621A (en) *	1989-03-09	1993-08-10	Micro Vesicular Systems, Inc.	Rinse-free shampoo containing cross-linked carboxymethylcellulose
US4952550A (en) *	1989-03-09	1990-08-28	Micro Vesicular Systems, Inc.	Particulate absorbent material
US5234915A (en) *	1989-03-09	1993-08-10	Micro Vesicular Systems, Inc.	Biodegradable gel
US4959341A (en) *	1989-03-09	1990-09-25	Micro Vesicular Systems, Inc.	Biodegradable superabsorbing sponge
GR890100525A (el) *	1989-08-24	1991-12-30	John Bethune Kenneth	Πολυμερη απορροφητικα.
JPH0768316B2 (ja) *	1990-09-07	1995-07-26	三洋化成工業株式会社	吸水性樹脂の製造法
EP0559476B1 (de) *	1992-03-05	1997-07-16	Nippon Shokubai Co., Ltd.	Verfahren zu Herstellung eines absorbierenden Harzes
DE4244548C2 (de) *	1992-12-30	1997-10-02	Stockhausen Chem Fab Gmbh	Pulverförmige, unter Belastung wäßrige Flüssigkeiten sowie Blut absorbierende Polymere, Verfahren zu ihrer Herstellung und ihre Verwendung in textilen Konstruktionen für die Körperhygiene
GB9317867D0 (en) *	1993-08-27	1993-10-13	Dow Deutschland Inc	Aqueous fluid absorbent polymers having a superior balance of absorpitive properties
DE4333056C2 (de) *	1993-09-29	1998-07-02	Stockhausen Chem Fab Gmbh	Pulverförmige, wäßrige Flüssigkeiten absorbierende Polymere, Verfahren zu ihrer Herstellung und ihre Verwendung als Absorptionsmittel
US5610208A (en)	1994-02-17	1997-03-11	Nippon Shokubai Co., Ltd.	Water-absorbent agent, method for production thereof, and water-absorbent composition
DE4439444A1 (de) *	1994-11-04	1996-05-09	Merck Patent Gmbh	Trennmaterialien und Verfahren zu ihrer Herstellung
JP3558756B2 (ja) *	1995-09-13	2004-08-25	三洋化成工業株式会社	吸水剤
JP3445426B2 (ja) *	1995-12-26	2003-09-08	花王株式会社	高吸水性樹脂組成物
JP3609898B2 (ja) *	1996-06-03	2005-01-12	株式会社クラレ	薬剤包装用水溶性フィルム
EP0884352B1 (de) *	1997-06-11	2001-09-05	Kuraray Co., Ltd.	Wasserlöslicher Folie
US6699830B1 (en) *	1999-03-30	2004-03-02	Idemitsu Petrochemical Co., Ltd.	Crosslinked copolymer of unsaturated carboxylic acid and process for producing the same, copolymer of unsaturated carboxylic acid, biodegradeable builder, and detergent composition
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US7815050B2 (en) *	2006-10-12	2010-10-19	Mckee Foods Kingman, Inc.	Flexible snack package with finger wiping feature
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1987
- 1987-08-10 JP JP62199384A patent/JPS63152667A/ja active Pending
- 1987-08-13 EP EP87307159A patent/EP0259037A3/de not_active Withdrawn
- 1987-08-17 CA CA000544656A patent/CA1303008C/en not_active Expired - Fee Related
- 1987-08-18 US US07/086,476 patent/US4812486A/en not_active Expired - Fee Related
- 1987-08-21 MY MYPI87001406A patent/MY101658A/en unknown
- 1987-08-21 KR KR1019870009165A patent/KR920004808B1/ko not_active Expired
- 1987-08-22 CN CN87105763A patent/CN1011039B/zh not_active Expired

Also Published As

Publication number	Publication date
JPS63152667A (ja)	1988-06-25
KR880002951A (ko)	1988-05-12
EP0259037A3 (de)	1989-08-30
US4812486A (en)	1989-03-14
CN87105763A (zh)	1988-03-02
CN1011039B (zh)	1991-01-02
KR920004808B1 (ko)	1992-06-18
EP0259037A2 (de)	1988-03-09
MY101658A (en)	1991-12-31

Legal Events

Date	Code	Title	Description
1994-12-09	MKLA	Lapsed

Publication	Publication Date	Title
CA1303008C (en)	1992-06-09	Absorbent resin with excellent stability
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KR910008293B1 (ko)	1991-10-12	흡수 속도가 우수한 고흡수성 수지의 제조방법
US5866678A (en)	1999-02-02	Absorbent and method for production of absorbent resin
US6469080B2 (en)	2002-10-22	Water-absorbent resin composition
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